ASUS ZenWatch 2 vs. Polar M400 vs. Apple Watch vs. Pebble Core vs. Amazfit T-Rex

 
ZenWatch 2
M400
Watch
Core
T-Rex
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowAppleWatchRemove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$349$99$140
Release20162014201520162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Durationn/a8 hours to 30 days18 hoursNA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a340 x 272 or 390 x 312NA360 x 360
Size1.63 inches or 1.45 inchn/a1.5 inches or 1.65 inchesNA1.3 inches
TouchNA
TypeAMOLEDn/aAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX7NA5 ATM

Notifications

PhoneNA
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/aWatch OSNABuild-in
Apps
Music

All Wearables